242113599 has 48 divisors (see below), whose sum is σ = 453107200. Its totient is φ = 120979008.

The previous prime is 242113589. The next prime is 242113601. The reversal of 242113599 is 995311242.

It is a Cunningham number, because it is equal to 15560²-1.

It is not a de Polignac number, because 242113599 - 2⁴ = 242113583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242113559) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7782 + ... + 23340.

Almost surely, 2^242113599 is an apocalyptic number.

242113599 is a deficient number, since it is larger than the sum of its proper divisors (210993601).

242113599 is a wasteful number, since it uses less digits than its factorization.

242113599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15604 (or 15601 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 242113599 is about 15559.9999678663. Note that the first 4 decimals coincide. The cubic root of 242113599 is about 623.2654618034.

The spelling of 242113599 in words is "two hundred forty-two million, one hundred thirteen thousand, five hundred ninety-nine".